Home / 741,605.10-1,112,407.65-180,639.60

Finding the Fourth Proportional to 741,605.10, 1,112,407.65 and 180,639.60

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Solution

The fourth proportional to 741,605.10, 1,112,407.65 and 180,639.60 is: 270,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,605.10 : 1,112,407.65 = 180,639.60 : x
  2. Step 2: Convert to fraction form
    741,605.10/1,112,407.65 = 180,639.60/x
  3. Step 3: Cross multiply
    741,605.10x = 1,112,407.65 × 180,639.60
  4. Step 4: Simplify right side
    741,605.10x = 200,944,872,932.94
  5. Step 5: Solve for x
    x = 200,944,872,932.94/741,605.10
  6. Step 6: Final answer
    x = 270,959.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.